Briefs: Robotics, Automation & Control
Briefs: Mechanical & Fluid Systems
Articles: Aerospace
Researchers from Carnegie Mellon University have developed a semi-liquid lithium metal-based anode. Lithium batteries made using this new electrode type...
Briefs: Electronics & Computers
Innovators at NASA's Glenn Research Center have developed a new method for making small-diameter, high-grade ball bearings that are less than 0.25” in diameter thanks to the development of a new alloy...
Briefs: Electronics & Computers
Hardface Coating Systems for Wear and Corrosion Resistance
Metal alloys, such as titanium alloys and steels, are known to have a good combination of mechanical properties for many structural applications, but these metal alloys do not meet the wear and corrosion resistance requirements for some structural applications. Titanium alloys, for...
Briefs: Manufacturing & Prototyping
A new way to treat wood makes it 12 times stronger than natural wood and ten times tougher. The wood substance could be comparable to steel or titanium alloys; it is also comparable to...
Briefs: Materials
NASA’s Langley Research Center has developed an innovative coating to heal cracks in metal components, such as in aircraft and bridges. Currently, the coating is used for in-laboratory repairs of...
Briefs: Manufacturing & Prototyping
Tool Designs for Friction Stir Welding
Friction stir welding (FSW) is a solidstate welding process that shows promise in the aerospace industry. A new system of experimentation has been used to quickly make and screen new tool designs. After conducting a literature review, friction stir tools were designed to optimize material flow around the...
Briefs: Manufacturing & Prototyping
NASA’s Marshall Space Flight Center (MSFC) developed Ultrasonic Stir Welding (USW) to join large pieces of very high-strength metals such as titanium and Inconel. USW, a solid-state weld process,...
Who's Who: Materials
Susan Draper performs microstructural analysis of metals and determines where fractures have occurred and propagated. Draper is currently characterizing...
Briefs: Materials
Thermally Activated Crack Healing Mechanism for Metallic Materials
A thermally activated healing mechanism is proposed and experimentally validated to mitigate crack propagation damage in metallic materials. The protected structure is coated with a thin metallic film of a low-melting-temperature healing agent. To heal or mitigate crack damage,...
Briefs: Manufacturing & Prototyping
In the past two decades, there have been significant advancements in the field of additive manufacturing (AM) of titanium alloy (Ti-6Al-4V) and other metallic...
Briefs: Materials
Recently, additive manufacturing (AM) techniques have been developed that may shift the paradigm of traditional metal production by allowing complex netshaped...
Briefs: Manufacturing & Prototyping
Method for Reduction of Silver Biocide Plating on Metal Surfaces
Silver ions in aqueous solutions (0.05 to 1 ppm) are used for microbial control in water systems. The silver ions remain in solution when stored in plastic containers, but the concentration rapidly decreases to non-biocidal levels when stored in metal containers. The silver...
Briefs: Manufacturing & Prototyping
The use of mirror assemblies is commonplace in the aerospace industry, as most satellites and spacecraft contain optics. The fabrication of these mirrors is extremely complex due to the...
Articles: Photonics/Optics
Proponents of laser beam welding (LBW) and electron beam (EBW) welding each pronounce the singular praises of their favored technology, but often the best solution for a...
Briefs: Manufacturing & Prototyping
During the first decade of direct metal laser-sintering (DMLS), the metals employed were generally ones developed specifically for DMLS, rather than those used in traditional metalforming methods. But...
Briefs: Mechanical & Fluid Systems
During a vehicle's braking action, a wheel's kinetic energy is transformed into heat, which doesn't dissipate fast enough into the air stream from the brake...
Briefs: Materials
A γ titanium aluminide alloy produced by a powder-metal (PM) process, and techniques for fabricating sheets and sheet-metal components from the alloy, have been developed. The alloy and...
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What Really Changed: A Look at the Updated FDA Guidance Document...
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Electrifying Off-Highway Drivetrains
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NVH Prediction in Electric Powertrains: Considering Inverter and...
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Here's an Idea: Powerful Sensors for the Eye
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The Smaller the Part, the Bigger the Advantages of Miniature Aluminum Extrusions
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Here's an Idea: How AI is Changing Military Aircraft Maintenance and More